it doesnt look like its reef safe... i usually check on liveaquaria.com for compatability.. not sure how accurate these guys are tho... here is a link to the dogface puffer..
http://www.liveaquaria.com/product/prod_Display.cfm?siteid=21&pCatId=222
http://www.liveaquaria.com/product/prod_Display.cfm?siteid=21&pCatId=222